13
 
  K      0.15471432      0.31215482      2.17346671
  C      0.12608211      1.50952377     -0.76951560
  C     -1.11110764      0.84314469     -0.69373193
  C     -1.14948575     -0.55988550     -0.59141628
  C      0.04933299     -1.29648173     -0.56484294
  C      1.28652497     -0.63015174     -0.64101153
  C      1.32488337      0.77289033     -0.74320254
  H      2.21369807     -1.20260407     -0.65177175
  H      2.28176055      1.28648217     -0.83311392
  H      0.15510751      2.59326670     -0.87964260
  H     -2.03967762      1.41108149     -0.74539821
  H     -2.10775320     -1.07798146     -0.56384811
  H      0.01891464     -2.38469793     -0.51653486
